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采用ARM+DSP高性能双核DM3730处理器,结合CMOS图像传感器OV2715,设计一套具有人脸检测跟踪功能的高清智能视频采集处理系统,并已用于车载智能人脸分析摄像机中。详细介绍了该系统软件平台各功能模块的设计及基于相关改进算法的DSP实现。测试结果表明该系统人脸检测率达到98.59%,且每秒能检测25帧,基本满足实时性的要求,同时在遮挡、相似色干扰下也能够准确检测跟踪人脸,可以广泛应用于安防监控领域。
Using ARM + DSP high-performance dual-core DM3730 processor, combined with CMOS image sensor OV2715, designed a set of HD intelligent video capture and processing system with face detection and tracking function, and has been used in the car intelligent face analysis camera. The design of each functional module of the system software platform and the implementation of DSP based on the related improved algorithm are introduced in detail. The test results show that the face detection rate of the system reaches 98.59%, and can detect 25 frames per second, basically meeting the requirements of real-time nature, and can accurately detect and track human faces under occlusion and similar color interferences, and can be widely applied to security monitoring field.